8.4.14 The NDBCNTR Block

This is a cluster management block that handles block
initialisation and configuration. During the data node startup
process, it takes over from the QMGR block
and continues the process. It also assists with graceful
(planned) shutdowns of data nodes. This block is implemented in
storage/ndb/src/kernel/blocks/ndbcntr,
which contains these files: